#include <stdio.h>

int main (void) {

int a[5]={1, 2, 3, 4, 5};
int b[3][5]={{1,2,3,4,5}, {6,7,8,9,10}, {11,12,13,14,15}};
printf("%d\n", *(a+2));
printf("%d, %d, %d\n", **(b+2), *(*b+2), **b+2);

}
